Chemestry

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Across
  1. 3. energy, the minimum amount of energy needed to start a chemical reaction
  2. 5. A substance that cannot be separated or broken down into simpler substances by chemical means
  3. 6. deoxyribonucleic, acid, that material that contains the instructions for that determines inherited characteristics
  4. 8. the tendency of some substances to cling to other substances
  5. 9. ribonucleic acid, a natural polymer that is present in all living cells and that plays a role in protein synthesis
  6. 10. an organic compound that is made of one or more chains of amino acids and that is a principal constituent of all living cells
  7. 12. The smallest unit of an element that maintains the chemical properties of that element
  8. 13. a fat molecule of a molecules that has similar properties including waxes and steroids
  9. 16. a special type of homogeneous mixture composed of two or more substances
  10. 18. a class of molecules that includes sugars, starters. And fiber; contains carbon hydrogen and oxygen
  11. 20. the attraction of molecules for other molecules of the same kind
  12. 22. any compound that increases the number of hydroxide ions when dissolved in water
  13. 23. an organic compound that consists of a sugar, a phosphate and a nitrogenous base
  14. 24. the reactant in reactions catalyzed by enzymes
Down
  1. 1. site, on an enzyme, the site that attaches to a substrate
  2. 2. electron, an electron that is found in the outermost shell of an atom and that determines the atom's chemical property
  3. 4. a substance or molecule that participates in chemical reaction
  4. 7. the capacity to do work
  5. 8. adenosine triphosphate, an organic molecule that acts as the main energy source for cell process
  6. 10. a substance that forms in a chemical reaction
  7. 11. acid, a compound of a class of simple organic compounds that contain a carboxyl and an amino group and that combine to form proteins
  8. 12. a chemical species that donates protons or hydrogen ions and/or accepts electrons
  9. 14. a group of atoms that are held together by chemical forces
  10. 15. acid, an organic compound either RNA or DNA whose molecules are made up of one or two chains of nucleotides and carry genetic information
  11. 17. a substance made up of atoms of two or more different elements joined by chemical bonds
  12. 19. an atom, radical, or molecule that has gained or lost one or more electrons and has a negative or positive charge
  13. 21. a molecule wither protein or RNA, that acts as a catalyst in biochemical reactions